21314+4829 ARN 78 AB (HD 205117)
21h 31m 44.65s +48° 29' 03.7" P.A. 101.00 sep 50.0 mag 7.64,8.82 Sp kA0mA1IV- dist. 264.55 pc (862.96 l.y.)
Coord 2000 |
21314+4829 |
|
Discov num |
ARN 78 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 31 44.65 +48 29 03.7 |
|
Date first |
1900 |
|
Date last |
2019 |
|
Obs |
17 |
|
Pa first |
101 |
|
Pa last |
100.9 |
|
P.A. Now (θ) |
100.9° |
|
Sep first |
49.6 |
|
Sep last |
50.04 |
|
Sep. Now (ρ) |
50.04" |
|
Mag pri |
7.64 |
|
Mag sec |
8.82 |
|
delta mag (ΔM) |
1.18 |
|
Spectral class |
kA0mA1IV- |
|
Pri motion ra |
-009 |
|
Sec motion ra |
-008 |
|
Pri motion dec |
-020 |
|
Sec motion dec |
-022 |
|
Notes |
W
|
|
rPM=0.096 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 205117 |
|
Constellation |
Cygnus |
|
SAO |
50985 |
|
HIP |
106297 |
|
Tycho2 |
3594-02446-1 |
|
HD |
205117 |
|
BD |
BD+47 3451 |
|
Distance |
264.55 |
|
Distance ly |
862.96 |
|